Home / 215,793,806.21-297,822,727.01-141,516,856.43

Finding the Fourth Proportional to 215,793,806.21, 297,822,727.01 and 141,516,856.43

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Solution

The fourth proportional to 215,793,806.21, 297,822,727.01 and 141,516,856.43 is: 195,311,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,793,806.21 : 297,822,727.01 = 141,516,856.43 : x
  2. Step 2: Convert to fraction form
    215,793,806.21/297,822,727.01 = 141,516,856.43/x
  3. Step 3: Cross multiply
    215,793,806.21x = 297,822,727.01 × 141,516,856.43
  4. Step 4: Simplify right side
    215,793,806.21x = 42,146,936,098,729,936
  5. Step 5: Solve for x
    x = 42,146,936,098,729,936/215,793,806.21
  6. Step 6: Final answer
    x = 195,311,148.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.